CN215815690U - Circuit breaker for realizing local remote switching and closing pressing plate on body - Google Patents
Circuit breaker for realizing local remote switching and closing pressing plate on body Download PDFInfo
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- CN215815690U CN215815690U CN202121861031.8U CN202121861031U CN215815690U CN 215815690 U CN215815690 U CN 215815690U CN 202121861031 U CN202121861031 U CN 202121861031U CN 215815690 U CN215815690 U CN 215815690U
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Abstract
The utility model discloses a circuit breaker for realizing local remote switching and closing of a pressing plate on a body, and particularly relates to the technical field of high-voltage vacuum circuit breakers. The electronic transformer has the advantages of small volume, light weight, wide frequency band response, no saturation phenomenon, good anti-electromagnetic interference performance, reliable insulation, convenience for development to digitalization and micromation and the like, is ideal novel equipment for replacing the electromagnetic transformer in power distribution automation construction, can not generate over current and ferromagnetic resonance when a voltage output end is subjected to secondary short circuit, eliminates major fault hidden trouble in the operation of a power system, ensures the safety of personnel and equipment, is additionally provided with the isolating switch, forms a combined electrical appliance based on one-time and two-time fusion of the vacuum circuit breaker and the isolating switch, increases visible isolating disconnection points, has reliable linkage operation, and improves the reliability and the safety performance.
Description
Technical Field
The utility model relates to the technical field of high-voltage vacuum circuit breakers, in particular to a circuit breaker which realizes local remote switching and closing of a pressing plate on a body.
Background
Along with the progress of social development, power equipment's use is more and more extensive, it is the circuit breaker to be indispensable among the electrical equipment, the circuit breaker of current distant place conversion on the spot and combined floodgate clamp plate mainly used height above sea level 3000mm, the 10kV of the highest filthy grade IV level joins in marriage net overhead line, the device is with the circuit breaker body, get the ability unit, measuring unit and front end collection system, the distant place modular design on the spot integrates and fuses the design based on one secondary, realize the collection protection, control, measure, the remote control four unifications, realize the monitoring of distribution lines, protection, control, shorten distribution lines trouble search time.
In the process of implementing the utility model, the inventor finds that at least the following problems in the prior art are not solved:
(1) in the traditional circuit breaker for realizing local remote switching and closing of the pressing plate on the body, the anti-interference capability of a sensor is weak, and the protection requirement is difficult to meet;
(2) the traditional circuit breaker for realizing local remote switching and closing of the pressing plate on the body needs secondary wiring, so that the situation of wiring errors in field construction is easy to occur;
(3) the traditional circuit breaker that realizes switching and closing plate far away on spot at the body, sealed effect is not good, hardly normal use under the severe cold or high temperature humidity's the condition.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a circuit breaker for realizing local remote switching and closing of a pressing plate on a body, and aims to solve the problem that the anti-interference capability of a sensor is weak and the protection requirement is difficult to meet in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the circuit breaker comprises an energy-taking capacitor and a base, wherein a signal processing unit is arranged on one side inside the base, an in-situ remote function module is arranged inside the base on one side of the signal processing unit, two groups of energy-taking capacitors are fixedly connected to two sides of the top end of the base, three groups of circuit breaker bodies are arranged at the bottom end of the base, a solid-sealed polar pole is arranged at the top end of each circuit breaker body, a wire inlet side wire clamp is arranged at the bottom end of the solid-sealed polar pole, a signal interface is arranged at one end of each circuit breaker body, and an integrated structure is fixedly connected to the other end of each circuit breaker body;
the integrated structure comprises an integrated voltage and current sensor which is fixedly connected to the other end of the circuit breaker body, and an outgoing line side wire clamp is arranged at one end of the integrated voltage and current sensor.
Preferably, the energy-taking capacitors are arranged in two groups and are symmetrically distributed about a vertical center line of the base.
Preferably, the energy taking capacitor and the breaker body are on the same horizontal plane.
Preferably, the top end of the energy taking capacitor is fixedly connected with the top end of the breaker body.
Preferably, the integrated voltage and current sensor is provided with three groups and is fixedly connected with one end of the breaker body.
Preferably, the integrated voltage and current sensors are distributed at equal intervals at the top end of the base.
Compared with the prior art, the utility model has the beneficial effects that: the circuit breaker with the local remote switching and closing pressing plate on the body not only realizes that the integrated sensor meets the metering and protection requirements, realizes that secondary wiring leaves factory and is not required to be wired on site, but also improves the sealing performance of the circuit breaker;
(1) by arranging the integrated voltage and current sensor and the incoming line side clamp, the electronic transformer has the advantages of small volume, light weight, wide frequency band response, no saturation phenomenon, good anti-electromagnetic interference performance, reliable insulation, convenience for development to digitalization and microcomputer and the like, is ideal novel equipment for replacing the electromagnetic transformer in power distribution automation construction, can not generate over current and ferromagnetic resonance when a voltage output end is subjected to secondary short circuit, eliminates major fault hidden trouble in the operation of a power system, ensures the safety of personnel and equipment, is additionally provided with the isolating switch, forms a combined electrical appliance based on one-time and two-time fusion of a vacuum circuit breaker and the isolating switch, increases visible isolating disconnection points, has reliable linkage operation, and improves the reliability and the safety performance;
(2) by arranging the signal interface and the outgoing line side wire clamp, all secondary wiring is finished in a factory, meanwhile, the energy taking unit and the mutual inductor are integrated, the wiring of the energy taking unit, the current mutual inductor and the voltage mutual inductor is not needed on site, the risk of wiring errors in site construction is reduced, the construction can be completed only by hoisting the breaker on site once, the construction period is short, the power failure time is reduced, meanwhile, the controller has multiple protection functions of six-section type overcurrent protection, reclosing, overload protection, zero-sequence overcurrent protection and the like, the functions of line fault positioning, isolation, fault occurrence time recording and the like can be realized, the override trip is avoided, and the fault influence range is reduced;
(3) through being provided with solid utmost point post that seals admittedly, the circuit breaker adopts three-phase pillar type totally closed structure, sealing performance is good, it is dampproofing, prevent condensation, be applicable to severe cold or high temperature humid area, the three-phase pillar increases the height, the inside and outside disposable line terminal of three-phase pillar increases the full skirt, make creepage distance greatly increased, satisfy the height above sea level 3000 meters, filthy grade IV level operation requirement, and high pressure can be got electric capacity and is adopted polypropylene metallized film capacitor, withstand voltage 42kV/min, it is low to have the loss factor, insulation resistance is high, electric capacity and loss factor and the stability of temperature and frequency contrast are high and can advantages such as self-healing.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a rear view of the present invention;
fig. 4 is a schematic top view of the present invention.
In the figure: 1. a signal processing unit; 2. a local remote function module; 3. an energy-taking capacitor; 4. a circuit breaker body; 5. solid-sealing the pole; 6. a signal interface; 7. a base; 8. a wire clamp at the wire outlet side; 9. an integral voltage current sensor; 10. and a wire inlet side clamp.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1-4, the circuit breaker for realizing local remote switching and closing of the pressing plate on the body comprises an energy-taking capacitor 3 and a base 7, wherein a signal processing unit 1 is arranged on one side inside the base 7, a local remote function module 2 is arranged inside the base 7 on one side of the signal processing unit 1, two groups of energy-taking capacitors 3 are fixedly connected to two sides of the top end of the base 7, three groups of circuit breaker bodies 4 are arranged at the bottom end of the base 7, a solid-sealed polar pole 5 is arranged at the top end of each circuit breaker body 4, a wire inlet side wire clamp 10 is arranged at the bottom end of each solid-sealed polar pole 5, a signal interface 6 is arranged at one end of each circuit breaker body 4, and the other end of each circuit breaker body 4 is fixedly connected with an integrated structure;
referring to fig. 1-4, the circuit breaker for realizing local remote switching and closing of the pressing plate on the circuit breaker body further comprises an integrated structure, the integrated structure comprises an integrated voltage and current sensor 9, the integrated voltage and current sensor 9 is fixedly connected to the other end of the circuit breaker body 4, and one end of the integrated voltage and current sensor 9 is provided with an outgoing line side wire clamp 8;
the integrated voltage and current sensors 9 are provided with three groups and are fixedly connected with one end of the circuit breaker body 4;
the integrated voltage and current sensors 9 are distributed at equal intervals at the top end of the base 7;
specifically, as shown in fig. 1 and fig. 2, the electronic transformer has many advantages of small volume, light weight, wide frequency band response, no saturation, good electromagnetic interference resistance, reliable insulation, and convenience for digitalization and microcomputer development, and is an ideal novel device for replacing the electromagnetic transformer in power distribution automation construction, no overcurrent and ferromagnetic resonance are generated during secondary short circuit of a voltage output end, major potential fault hazard in power system operation is eliminated, safety of personnel and equipment is guaranteed, and a disconnector is additionally installed on a circuit breaker, so that a combined electrical appliance based on one-secondary fusion of a vacuum circuit breaker and the disconnector is formed, a visible isolation disconnection point is increased, reliable linkage operation is realized, and reliability and safety performance are improved.
Example 2: one end of the breaker body 4 is provided with a signal interface 6;
specifically, as shown in fig. 1 and 3, all secondary wiring is completed in a factory, meanwhile, the energy taking unit and the mutual inductor are integrated, the wiring of the energy taking unit, the current mutual inductor and the voltage mutual inductor is not needed on site, the risk of wiring errors in site construction is reduced, the construction can be completed only by hoisting the breaker on site once, the construction period is short, the power failure time is reduced, meanwhile, the controller has multiple protection functions of six-section type overcurrent protection, reclosing, overload protection, zero-sequence overcurrent protection and the like, the functions of line fault positioning, isolation, fault occurrence time recording and the like can be realized, the override trip is avoided, and the fault influence range is reduced.
Example 3: two sides of the top end of the base 7 are fixedly connected with two groups of energy-taking capacitors 3;
the energy-taking capacitors 3 are arranged in two groups and are symmetrically distributed around the vertical center line of the base 7;
the top end of the energy-taking capacitor 3 is fixedly connected with the top end of the breaker body 4;
specifically, as shown in fig. 1 and 4, the circuit breaker adopts a three-phase strut type fully-closed structure, the sealing performance is good, moisture protection and condensation prevention are realized, the circuit breaker is suitable for severe cold or high-temperature humid areas, the height of the three-phase strut is increased, umbrella skirts are added on primary wire terminals inside and outside the three-phase strut, the creepage distance is greatly increased, the operating requirements of an altitude of 3000 meters and a pollution level of IV are met, the high-voltage energy-taking capacitor 3 adopts a polypropylene metallized film capacitor, and the voltage resistance is 42kV/min, so that the circuit breaker has the advantages of low loss factor, high insulation resistance, high stability of capacitance and loss factor compared with temperature and frequency, self-healing and the like.
The working principle is as follows: when the electronic transformer is used, firstly, the electronic transformer has the advantages of small volume, light weight, wide frequency band response, no saturation phenomenon, good anti-electromagnetic interference performance, reliable insulation, convenience for development to digitalization and micromation and the like, is ideal novel equipment for replacing the electromagnetic transformer in power distribution automation construction, can not generate over current and ferromagnetic resonance when a voltage output end is subjected to secondary short circuit, eliminates major fault hidden trouble in the operation of a power system, ensures the safety of personnel and equipment, is additionally provided with the isolating switch, forms a combined electrical appliance based on one-time and two-time fusion of the vacuum circuit breaker and the isolating switch, increases visible isolating disconnection points, has reliable linkage operation, and improves the reliability and safety performance.
Later, all secondary wiring is finished in a factory, the energy taking unit and the mutual inductor are integrated, the power taking unit, the current mutual inductor and the voltage mutual inductor do not need to be wired on site, the risk of wrong wiring in site construction is reduced, construction can be completed only by hoisting the breaker on site, the construction period is short, the power failure time is reduced, meanwhile, the controller has multiple protection functions of six-section type overcurrent protection, reclosing, overload protection, zero-sequence overcurrent protection and the like, the functions of line fault positioning, isolation, fault occurrence time recording and the like can be achieved, override tripping is avoided, and the fault influence range is reduced.
Finally, the circuit breaker adopts a three-phase strut type totally-enclosed structure, has good sealing performance, is moisture-proof and condensation-proof, is suitable for severe cold or high-temperature humid areas, increases the height of the three-phase strut, increases umbrella skirts on the primary wire terminals inside and outside the three-phase strut, greatly increases the creepage distance, meets the use requirements of 3000 meters above sea level and pollution class IV, adopts a polypropylene metalized film capacitor as the high-voltage energy-taking capacitor 3, resists voltage of 42kV/min, and has the advantages of low loss factor, high insulation resistance, high stability of capacitance and loss factor compared with temperature and frequency, self-healing and the like.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. Realize the circuit breaker of distant place conversion and closing plate on spot at the body, including getting ability electric capacity (3) and base (7), its characterized in that: a signal processing unit (1) is arranged on one side inside the base (7), a local remote function module (2) is arranged inside the base (7) on one side of the signal processing unit (1), two groups of energy-taking capacitors (3) are fixedly connected to two sides of the top end of the base (7), three groups of circuit breaker bodies (4) are arranged at the bottom end of the base (7), a solid-sealed polar pole (5) is arranged at the top end of each circuit breaker body (4), a wire inlet side wire clamp (10) is arranged at the bottom end of each solid-sealed polar pole (5), a signal interface (6) is arranged at one end of each circuit breaker body (4), and an integrated structure is fixedly connected to the other end of each circuit breaker body (4);
the integrated structure comprises an integrated voltage and current sensor (9), the integrated voltage and current sensor (9) is fixedly connected to the other end of the circuit breaker body (4), and an outgoing line side wire clamp (8) is arranged at one end of the integrated voltage and current sensor (9).
2. The circuit breaker of claim 1, wherein the body comprises a switching mechanism for switching the switching mechanism between the remote position and the closing position, and the switching mechanism comprises: the energy-taking capacitors (3) are arranged in two groups and are symmetrically distributed around the vertical center line of the base (7).
3. The circuit breaker of claim 1, wherein the body comprises a switching mechanism for switching the switching mechanism between the remote position and the closing position, and the switching mechanism comprises: the energy-taking capacitor (3) and the breaker body (4) are positioned on the same horizontal plane.
4. The circuit breaker of claim 1, wherein the body comprises a switching mechanism for switching the switching mechanism between the remote position and the closing position, and the switching mechanism comprises: the top end of the energy taking capacitor (3) is fixedly connected with the top end of the breaker body (4).
5. The circuit breaker of claim 1, wherein the body comprises a switching mechanism for switching the switching mechanism between the remote position and the closing position, and the switching mechanism comprises: the integrated voltage and current sensor (9) is provided with three groups and is fixedly connected with one end of the breaker body (4).
6. The circuit breaker of claim 1, wherein the body comprises a switching mechanism for switching the switching mechanism between the remote position and the closing position, and the switching mechanism comprises: the integrated voltage and current sensors (9) are distributed at equal intervals at the top end of the base (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121861031.8U CN215815690U (en) | 2021-08-10 | 2021-08-10 | Circuit breaker for realizing local remote switching and closing pressing plate on body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121861031.8U CN215815690U (en) | 2021-08-10 | 2021-08-10 | Circuit breaker for realizing local remote switching and closing pressing plate on body |
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| CN215815690U true CN215815690U (en) | 2022-02-11 |
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| CN202121861031.8U Active CN215815690U (en) | 2021-08-10 | 2021-08-10 | Circuit breaker for realizing local remote switching and closing pressing plate on body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114724883A (en) * | 2022-04-24 | 2022-07-08 | 蒋丽娜 | Hybrid high-voltage direct-current circuit breaker and using method thereof |
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2021
- 2021-08-10 CN CN202121861031.8U patent/CN215815690U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114724883A (en) * | 2022-04-24 | 2022-07-08 | 蒋丽娜 | Hybrid high-voltage direct-current circuit breaker and using method thereof |
| CN114724883B (en) * | 2022-04-24 | 2024-05-03 | 安徽融兆智能有限公司 | Hybrid high-voltage direct-current circuit breaker and application method thereof |
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